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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Rows
A
Hume AI
A
OpenRouter
S
Fathom
S
TaglineSpreadsheets with AI + live integrations baked in.Voice AI that reads + expresses emotion.One API, every model. Pay-as-you-go, no subscriptions.Meeting notes, free forever for individuals.
CategoryDataVoiceDev PlatformMeetings
PricingFree + $19-$89/user/moFree tier + pay-as-you-goPay per token — model-dependentFree for individuals + $15-$29/user/mo teams
Best forOps teams, marketers, anyone building dashboards from multiple sources.Therapy apps, customer service, any voice agent where emotion matters.Developers experimenting across models. Apps that want fallback logic.Solo operators, freelancers, small teams on a budget.
Strengths
  • Pull live data from Stripe, Slack, Google Analytics, etc.
  • AI functions inside cells
  • Modern UX
  • Detects + mirrors emotional tone
  • EVI (Empathic Voice Interface) feels different
  • Expressive voice output
  • 300+ models from one endpoint
  • Automatic fallbacks between providers
  • No subscription — just pay what you use
  • Unlimited free tier for solo use
  • Strong summaries + action items
  • Works in Zoom, Meet, Teams
Weaknesses
  • Not a full Excel replacement for heavy users
  • Integrations best on paid tiers
  • Niche use case
  • Pricing ramps fast
  • Slight markup over direct API
  • Some provider features not exposed
  • Bot-joining model
  • Team features gated
Kai's verdictA-tier. The most interesting spreadsheet in years. Great for ops dashboards.A-tier in its niche. The only one that actually gets emotion right.S-tier for model-shopping. I use this for every prototype before committing.S-tier for solo + free. The best free option, hands down.
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